Velleman VMa02 - Manual (Page 3)

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REC
24
PLAY 23
ERASE
25
FWD 26
VOL
19
FT
22
SS 7
SCLK
6
MOSI
5
MISO 4
MIC+
10
MIC-
11
AnaIn 9
Rosc
20
AGC
18
RESET
3
LED 2
VCCD
1
VSSD
28
VCCA
21
VSSA
8
VCCP
14
VSSP1
16
VSSP2 12
SP+
15
SP-
13
AUD/AUX
17
INT/RDY
27
ISD1700
IC1
OUT
SK6
IN
SK5
1
2
3
4
5
6
SK4
Vin
GND
5V
3V3
RST
1
2
3
4
5
6
SK3
A0
A1
A2
A3
A4
A5 1
2
3
4
5
6
7
8
SK1
ARDUINO UNO
1
2
3
4
5
6
7
8
SK2
0
1
2
3
4
5
6
7
8
9
10
11
12
13
AREF
-
100n
C15
100n
C16 GND
GND
IN
OUT
OUT
IN
2µ2
C11
GND
82K
R4
GND
5V
GND
10µ/100V
C7
10µ/100V
C9
100n
C6
100n
C8
GND
GND
GND
RESET SW1
GND
100n
C1
GND
FWD SW2
ERASE SW3
REC SW4
PLAY SW5
FT SW6
VOL SW7
GND
VOL
FT
PLAY
REC
ERASE
FWD
FWD
ERASE
PLAY
REC
VOL
FT
S M300
MIC1
100n
C13
100n
C12
4K7
R5
4K7
R6
4µ7
C10
GND
SPEAKER
SK7
4K7
R2
V
CC
A
VCCA
100n
C4
GND
10µ/100V
C5
GND
VCCD
2
4
6
1
3
5
ICSP
SK8
SCLK
MOSI
MISO
SCLK MOSI
MISO
RST
RST
1K
R1
LD1
100K
R3
VCCD
10µ/100V
C3
100n
C2
GND
5V
5V
10
390
R7
4µ7
C14
Schematic diagram